Steam Charts - An ongoing analysis of Steam's concurrent players.
GAMEPUMP - A retro gaming subscription service for PC
Steam Database - This tool was made to give better insight into the applications that Steam has in its absolutely huge database.
Battle of the Brands - Compare the online awareness of 2 brands in a battle
Steam Inventory Helper - Steam Inventory Helper is a free browser extension for Google Chrome that adds a big amount of new features into the Steam trade-offer system & Steam store functionality.
Space Shooter - The classic retro game recreated using Pygame and python.